WASHINGTON (Reuters) - The United States has frozen the assets of two Saudi nationals for allegedly providing support to al Qaeda, and asked the United Nations to take similar action. The U.S. Treasury said on Tuesday it had listed the two men -- London-based dissident Saad al-Fagih and Adel Batterjee, another Saudi national -- as "specially designated global terrorists" for providing financial and material support to al Qaeda and its leader, Osama bin Laden. "The U.S. is submitting both names to the United Nations (Security Council) 1267 Committee, which will consider adding them to the consolidated list of terrorists tied...